WO2018018650A1 - 一种led灯箱电源控制***及其远程控制方法 - Google Patents

一种led灯箱电源控制***及其远程控制方法 Download PDF

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Publication number
WO2018018650A1
WO2018018650A1 PCT/CN2016/093155 CN2016093155W WO2018018650A1 WO 2018018650 A1 WO2018018650 A1 WO 2018018650A1 CN 2016093155 W CN2016093155 W CN 2016093155W WO 2018018650 A1 WO2018018650 A1 WO 2018018650A1
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Prior art keywords
light box
power supply
box power
wireless communication
led light
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PCT/CN2016/093155
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English (en)
French (fr)
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李忠训
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四川蓝景光电技术有限责任公司
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Priority to EP16910230.8A priority Critical patent/EP3493651B1/en
Publication of WO2018018650A1 publication Critical patent/WO2018018650A1/zh
Priority to US16/166,165 priority patent/US11206717B2/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/062—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/005—Illumination controller or illuminated signs including an illumination control system
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/23—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series
    • H05B47/235—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in series with communication between the lamps and a central unit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the invention relates to an LED light box power supply, in particular to an LED light box power supply control system and a remote control method thereof.
  • LED products are often installed outdoors, and long-term work is needed to improve the advertising effect.
  • the outdoor environment is highly variable, and the work of LED products is easily affected by environmental factors such as weather and temperature, resulting in shortened service life of internal electronic components, and even frequent failures, which cannot work properly.
  • maintenance personnel are required to rush to the inspection.
  • the existing LED products are installed, they only need to be powered on to enter the working state, and their working conditions cannot be remotely supervised. Only through the on-site observation by maintenance personnel can they find out whether they work normally. In this case, not only the LED products are greatly increased.
  • the workload of maintenance personnel in outdoor applications increases the maintenance cost of the latter, and the supervision of LED products cannot achieve immediacy. There is a big lag problem, and it is impossible to effectively avoid safety hazards, which has greatly hindered the outdoor application of LED products. .
  • the object of the present invention is to provide an LED light box power supply control system, which solves the problem that the existing LED products cannot realize real-time supervision and thus avoid safety hazards.
  • An LED light box power supply control system comprises a plurality of light box power supplies arranged inside the light box and connected to the LED light bar in one-to-one correspondence, all the light box power supplies are connected in series through the 485 communication bus, and at the same time, a light and a light are installed inside the light box a wireless communication device in which the power supply is connected in series, and a gateway device for wirelessly connecting to the wireless communication device and uploading the acquired data to the cloud server is further disposed outside the light box, and the outer wall of the light box is further provided with A sensor group in which the wireless communication device is wired.
  • the wireless communication device is a Zigbee wireless communication node, including a Zigbee RF core a four-channel digital isolator connected to the Zigbee radio frequency chip, an AC input parameter detecting circuit connected to the four-channel digital isolator, and a signal conversion circuit respectively connected to the Zigbee radio frequency chip and the light bar power supply, and respectively A first power supply circuit connected to the Zigbee radio frequency chip, the four-channel digital isolator, the AC input parameter detecting circuit, and the signal conversion circuit.
  • the sensor group includes a temperature and humidity sensor, a light detecting circuit, a clock module, and a storage module respectively connected to the Zigbee radio frequency chip, and the temperature and humidity sensor, the light detecting circuit, the clock module, and the storage module are further Connected to the first power supply circuit respectively.
  • the light box power supply further includes a conversion circuit for converting the serial port signal into the 485 communication signal, and a voltage detecting circuit for detecting the output voltage of the light box power supply, and a current detecting circuit for detecting the output current of the light box power supply, A microprocessor that processes the detection results of the voltage detection circuit and the current detection circuit, and a second power supply circuit that is connected to the microprocessor.
  • the voltage detecting circuit is provided with a dimming MOS transistor and a driving power supply circuit of the dimming MOS transistor.
  • a driving circuit of the dimming MOS transistor is further connected to the microprocessor.
  • the dimming MOS transistor is a PWM four-channel dimming MOS transistor.
  • the present invention also provides a remote control method for the above LED light box power supply control system, comprising the following steps:
  • the microprocessor determines whether the light box power supply is faulty according to the output voltage and output current of the light box power supply, and determines whether the light box power supply is suitable for continuing operation according to the light box environment information;
  • the conversion circuit converts the serial port signal of the microprocessor into a 485 communication signal, and transmits the judgment result of the microprocessor to the gateway device through the wireless communication device, and the gateway device uploads the judgment result to the Internet;
  • the LED light box management party logs in to the server on the Internet, remotely grasps the current state of the light box power supply, and determines whether to turn off the light box power according to the judgment result of the microprocessor. If the light box power supply has failed, the maintenance personnel are arranged to go to the maintenance.
  • the wireless communication device is a Zigbee wireless communication node.
  • the sensor group includes at least one of a temperature and humidity sensor and an illumination sensor.
  • the present invention has the following beneficial effects:
  • the present invention installs a wireless communication device in an existing LED light box, connects with a light box power supply, and increases an output voltage and an output current judgment circuit of the light box power supply to determine whether the current state of the light box power supply is normal, and then utilizes the wireless communication device.
  • the judgment signal is wirelessly transmitted to the Internet, so that the management party can know in real time whether the light box power supply is normal through the Internet, and does not need to arrange maintenance personnel to the work place of the LED light box to observe and understand, greatly reducing the workload and improving the light box power failure. Timeliness of judgment.
  • the invention is provided with a sensor for detecting the environmental condition outside the LED light box for detecting the external environment of the LED light box, and analyzing by the microprocessor inside the light box to determine whether the current environment is suitable for the LED light box to continue working, and then judging The result is transmitted to the Internet for reference by the management party, so that the surrounding environmental factors of the LED light box can be known in advance, and timely processing can be performed to avoid possible safety risks and avoid damage of internal components of the LED light box due to environmental factors.
  • Figure 1 is a block diagram of the system of the present invention.
  • FIG. 2 is a schematic diagram of a micro-processing isolation circuit composed of a Zigbee radio frequency chip and a four-channel digital isolator according to the present invention.
  • FIG. 3 is a schematic diagram of an AC input parameter detecting circuit in the present invention.
  • FIG. 4 is a schematic diagram of a signal conversion circuit in the present invention.
  • Figure 5 is a schematic diagram of the first power supply circuit of the present invention.
  • Figure 6 is a schematic diagram of a sensor group in the present invention.
  • Figure 7 is a schematic diagram of a conversion circuit of the present invention.
  • Figure 8 is a schematic diagram of a voltage detecting circuit in the present invention.
  • Figure 9 is a schematic diagram of a current detecting circuit in the present invention.
  • Figure 10 is a schematic diagram of a microprocessor for processing the results of a voltage detecting circuit and a current detecting circuit in the present invention.
  • Figure 11 is a schematic diagram of a second power supply circuit in the present invention.
  • Figure 12 is a schematic diagram of a driving circuit of a dimming MOS transistor in the present invention.
  • 1-LED light box 2-LED light strip
  • 3-light box power supply 4-wireless communication device
  • 5-gate device 6-sensor group
  • 7-remote server 7-remote server
  • the LED light box power supply control system disclosed in the present invention mainly comprises: a plurality of light box power sources connected in series inside the LED light box and wireless communication devices connected to the light box power source through a 485 communication bus, located at the LED Sensor groups, gateway devices, and remote servers outside the lightbox.
  • the sensor group is installed on the LED light box casing for detecting the surrounding environment of the LED light box, and is connected with the wireless communication device through the sensor access line;
  • the gateway device can be installed separately from the LED light box, or can be directly installed on the LED light box housing.
  • the remote server is mainly used to implement wireless communication between the remote server and the wireless communication device, to transmit signals from the wireless communication device to a remote server on the Internet, and to transmit control signals from the remote server to the wireless device.
  • a communication device that wirelessly connects with the wireless communication device; and the remote server stores all the working condition information of the LED light box, and sends a new control signal to the LED light box, such as turning off the light box power, turning on the light box power, and reducing the output voltage. , increase the output current and so on.
  • the wireless communication device selects a Zigbee wireless communication node, including a Zigbee radio frequency chip, a four-channel digital isolator connected to the Zigbee radio frequency chip, an AC input parameter detecting circuit connected to the four-channel digital isolator, and respectively a signal conversion circuit connected to the Zigbee radio frequency chip and the light bar power supply, and a first power supply circuit respectively connected to the Zigbee radio frequency chip, the four-channel digital isolator, the AC input parameter detecting circuit and the signal conversion circuit.
  • a Zigbee wireless communication node including a Zigbee radio frequency chip, a four-channel digital isolator connected to the Zigbee radio frequency chip, an AC input parameter detecting circuit connected to the four-channel digital isolator, and respectively a signal conversion circuit connected to the Zigbee radio frequency chip and the light bar power supply, and a first power supply circuit respectively connected to the Zigbee radio frequency chip, the four-channel digital isolator, the AC input parameter
  • LED light boxes can be installed with multiple LED light bars.
  • Each LED light bar is equipped with a separate light box power supply.
  • all light box power supplies are connected in series through the 485 communication bus.
  • a voltage detection circuit and a current detection circuit are provided, and the output of each light box power supply is detected in real time, and then comprehensively analyzed and processed by the microprocessor to determine whether the light box power supply is damaged.
  • an independent second power supply circuit is configured to be protected from the damage of the light box power supply and cannot work.
  • the processing result of the microprocessor is converted into a 485 communication signal by the conversion circuit, and transmitted to the wireless communication device, and then transmitted to the remote server through the gateway device, so that the management party can understand the current working condition of the LED light box, and provide the management party with the judgment of whether the light box power supply is damaged or not.
  • Reference thus avoiding the need for maintenance personnel to go to the scene to understand whether the LED light box is normal, greatly reducing the post-management workload of the outdoor application of the LED light box, reducing the operating cost of the user, and improving the timeliness of finding faults and overhauling.
  • the voltage detecting circuit is provided with a dimming MOS transistor and a driving power supply circuit of the dimming MOS transistor.
  • a driving circuit of the dimming MOS transistor is further connected to the microprocessor.
  • the dimming MOS transistor is a PWM four-channel dimming MOS transistor.
  • the sensor group can be set in multiple groups, each group is installed in different parts of the LED light box casing, and each group can contain a plurality of different sensors, such as a temperature sensor and a humidity sensor. , light sensors, and more.
  • the sensor group includes a temperature and humidity sensor, a light detecting circuit, a clock module, and a storage module respectively connected to the Zigbee radio frequency chip, and the temperature and humidity sensor, the light detecting circuit, the clock module, and the storage Modules are also coupled to the first power supply circuit, respectively.
  • the specific control method of the present invention is as follows:
  • the microprocessor determines whether the light box power supply is faulty according to the output voltage and output current of the light box power supply, and determines whether the light box power supply is suitable for continuing operation according to the light box environment information;
  • the conversion circuit converts the serial port signal of the microprocessor into a 485 communication signal, and the microprocessor The judgment result is transmitted to the gateway device through the Zigbee wireless communication node, and the gateway device uploads the judgment result to the Internet;
  • the LED light box management party logs in to the server on the Internet, remotely grasps the current state of the light box power supply, and determines whether to turn off the light box power according to the judgment result of the microprocessor. If the light box power supply has failed, the maintenance personnel are arranged to go to the maintenance.
  • the invention has the advantages of simple principle and convenient realization, and can discover the possible safety hazard of the LED light box in a very accurate and timely manner, and let the management party grasp the environmental condition around the LED light box in real time, and provide timely and reliable for whether the LED light box continues to work and whether maintenance is needed.
  • the basis of the LED light box has greatly improved the service life and has high practical value.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

一种LED灯箱电源(3)控制***，包括设置在灯箱(1)内部的多个与LED灯条(2)一一对应连接的灯箱电源(3)，所有灯箱电源(3)通过485通信总线相互串联，同时在灯箱(1)内部还安装有一个与灯箱电源(3)串联的无线通信设备(4)，在灯箱(1)外部还设置有用于与无线通信设备(4)进行无线连接并将其获取的数据上传至云服务器的网关设备(5)，在灯箱(1)外壁上还设置有与无线通信设备(4)有线连接的传感器组(6)。一种相应的控制方法，通过控制方法，能够让管理方及时准确地掌握LED灯箱(1)的当前状况和未来可能的环境变化，为LED产品户外应用提供及时有效的安全保障，具有很高的实用价值和广阔的推广应用前景。

Description

一种LED灯箱电源控制***及其远程控制方法 技术领域
本发明涉及一种LED灯箱电源，具体地说，是涉及一种LED灯箱电源控制***及其远程控制方法。
背景技术
目前，随着LED技术的发展，LED产品出现在户外环境的情形越来越多，尤其是广告行业，其LED产品往往都安装在户外，并且需要长期工作，以提高广告宣传效果。户外环境变化多端，而LED产品的工作很容易受到天气、温度等环境因素的影响，导致内部的电子元器件使用寿命缩短，甚至频繁出现故障，无法正常工作。一旦出现故障，便需要维护人员赶往检测。但是，现有的LED产品一旦安装完成，只需通电即进入工作状态，其工作状况无法实现远程监管，只有通过维护人员现场观察，才能发现是否正常工作，如此情形，不仅极大地增加了LED产品户外应用中维护人员的工作量，增加了后期维护成本，而且LED产品的监管无法实现即时性，存在很大滞后问题，更无法有效规避安全隐患，对LED产品的户外应用造成了极大的阻碍。
发明内容
本发明的目的在于提供一种LED灯箱电源控制***，解决现有LED产品无法实现实时监管进而规避安全隐患的问题。
为了实现上述目的，本发明采用的技术方案如下：
一种LED灯箱电源控制***，包括设置在灯箱内部的多个与LED灯条一一对应连接的灯箱电源，所有灯箱电源通过485通信总线相互串联，同时在灯箱内部还安装有一个与所述灯条电源串联的无线通信设备，在所述灯箱外部还设置有用于与所述无线通信设备进行无线连接并将其获取的数据上传至云服务器的网关设备，在所述灯箱外壁上还设置有与所述无线通信设备有线连接的传感器组。
进一步地，所述无线通信设备为Zigbee无线通信节点，包括Zigbee射频芯 片，与该Zigbee射频芯片连接的四通道数字隔离器，与该四通道数字隔离器连接的交流输入参数检测电路，以及分别与所述Zigbee射频芯片和灯条电源连接的信号转换电路，和分别与Zigbee射频芯片、四通道数字隔离器、交流输入参数检测电路和信号转换电路连接的第一供电电路。
进一步地，所述传感器组包括分别与所述Zigbee射频芯片连接的温度和湿度传感器、光照检测电路、时钟模块和存储模块，且所述温度和湿度传感器、光照检测电路、时钟模块和存储模块还分别与所述第一供电电路连接。
再进一步地，所述灯箱电源中还安装有将串口信号转换为485通信信号的转换电路，以及检测所述灯箱电源输出电压的电压检测电路、检测所述灯箱电源输出电流的电流检测电路，对所述电压检测电路、电流检测电路的检测结果进行处理的微处理器，和与该微处理器连接的第二供电电路。
优选地，所述电压检测电路中安装有调光MOS管，以及该调光MOS管的驱动电源电路。
优选地，所述微处理器上还连接有所述调光MOS管的驱动电路。
优选地，所述调光MOS管为PWM四通道调光MOS管。
同时，本发明还提供了一种上述LED灯箱电源控制***的远程控制方法，包括以下步骤：
(1)通过电压检测电路和电流检测电路实时地检测灯箱电源的输出电压和输出电流，通过传感器组实时地检测灯箱环境信息；
(2微处理器根据灯箱电源的输出电压和输出电流分析判断灯箱电源是否故障，根据灯箱环境信息判断灯箱电源是否适合继续工作；
(3)转换电路将微处理器的串口信号转换为485通信信号，并将微处理器的判断结果通过无线通信设备传输至网关设备，由网关设备将判断结果上传至互联网；
(4)LED灯箱管理方登录互联网上的服务器，远程掌握灯箱电源的当前状态，并根据微处理器的判断结果决定是否关闭灯箱电源，若灯箱电源已经故障，则安排维护人员前往检修。
优选地，所述无线通信设备为Zigbee无线通信节点。
优选地，所述传感器组至少包括温度和湿度传感器、光照传感器中的一种。
与现有技术相比，本发明具有以下有益效果：
(1)本发明在现有的LED灯箱内安装无线通信设备，与灯箱电源连接，并增加灯箱电源的输出电压和输出电流判断电路，用以判断灯箱电源当前状态是否正常，再利用无线通信设备将判断信号无线传输至互联网，使得管理方可以通过互联网实时地了解灯箱电源是否正常，不在需要安排维护人员至LED灯箱的工作现场进行观察了解，极大地减小了工作量，提高了灯箱电源故障判断的及时性。
(2)本发明在LED灯箱外部安装有检测环境状况的传感器，用于检测LED灯箱的外部环境，并通过灯箱内部的微处理器进行分析，判断当前环境是否适合LED灯箱继续工作，之后将判断结果传输至互联网，供管理方参考使用，从而可以提前了解LED灯箱的周围环境因素，并进行及时处理，以规避可能发生的安全风险，避免LED灯箱内部元器件因环境因素而损坏。
(3)本发明原理简单，实现方便，全程自动化监管，能够为LED产品户外应用提供及时有效的安全保障，具有很高的实用价值和广阔的推广应用前景。
附图说明
图1为本发明的***框图。
图2为本发明中Zigbee射频芯片和四通道数字隔离器组成的微处理隔离电路的原理图。
图3为本发明中交流输入参数检测电路的原理图。
图4为本发明中信号转换电路的原理图。
图5为本发明中第一供电电路的原理图。
图6为本发明中传感器组的原理图。
图7为本发明中转换电路的原理图。
图8为本发明中电压检测电路的原理图。
图9为本发明中电流检测电路的原理图。
图10为本发明中对电压检测电路和电流检测电路的结果进行处理的微处理器原理图。
图11为本发明中第二供电电路的原理图。
图12为本发明中调光MOS管的驱动电路原理图。
上述附图中，附图标记对应的部件名称如下：
1-LED灯箱，2-LED灯条，3-灯箱电源，4-无线通信设备，5-网关设备，6-传感器组，7-远程服务器。
具体实施方式
下面结合附图和实施例对本发明作进一步说明，本发明的实施方式包括但不限于下列实施例。
实施例
如图1～图12所示，本发明公开的LED灯箱电源控制***，主要包括：位于LED灯箱内部的多个相互串联的灯箱电源和与灯箱电源通过485通信总线连接的无线通信设备，位于LED灯箱外部的传感器组、网关设备和远程服务器。其中，传感器组安装在LED灯箱外壳上，用于检测LED灯箱的周围环境状况，与无线通信设备通过传感器接入线连接；网关设备可以与LED灯箱分开安装，也可以直接安装在LED灯箱外壳上，视具体环境情况而定，主要用于实现远程服务器与无线通信设备之间的无线通信，将来自无线通信设备的信号传输至互联网上的远程服务器，和将来自远程服务器的控制信号传输给无线通信设备，其与无线通信设备无线连接；而远程服务器则用于存储LED灯箱的所有工作状况信息，并向LED灯箱发送管理方新的控制信号，比如关闭灯箱电源、打开灯箱电源、降低输出电压、提高输出电流等等。
具体地说，所述无线通信设备选用Zigbee无线通信节点，包括Zigbee射频芯片，与该Zigbee射频芯片连接的四通道数字隔离器，与该四通道数字隔离器连接的交流输入参数检测电路，以及分别与所述Zigbee射频芯片和灯条电源连接的信号转换电路，和分别与Zigbee射频芯片、四通道数字隔离器、交流输入参数检测电路和信号转换电路连接的第一供电电路。
LED灯箱内部根据实际需要，可以安装多根LED灯条，每一根LED灯条配置一个独立的灯箱电源，为了实现统一的远程管理，所有灯箱电源通过485通信总线相互串联。在每一个灯箱电源内部，设置电压检测电路、电流检测电路，对每一个灯箱电源的输出情况进行实时检测，再通过微处理器进行综合分析处理，以判断灯箱电源是否损坏。为了保证电压检测电路和电流检测电路的独立运行，为其配置独立的第二供电电路，以免受灯箱电源的损坏影响而无法工作。微处理器的处理结果经过转换电路转换成485通信信号，传输给无线通信设备，进而通过网关设备传输至远程服务器，供管理方了解LED灯箱的当前工作状况，为管理方判断灯箱电源是否损坏提供参考，从而避免了维护人员必须到现场才能了解LED灯箱是否正常的麻烦，大大降低了LED灯箱户外应用的后期管理工作量，降低了使用者的运营成本，提高了发现故障和检修的及时性。
优选地，所述电压检测电路中安装有调光MOS管，以及该调光MOS管的驱动电源电路。
优选地，所述微处理器上还连接有所述调光MOS管的驱动电路。
优选地，所述调光MOS管为PWM四通道调光MOS管。
为了全面检测LED灯箱周围的环境状况，所述传感器组可以设置多组，每一组安装在LED灯箱外壳的不同部位，并且每一组均可以包含多个不同的传感器，比如温度传感器、湿度传感器、光照传感器等等。本实施例中，所述传感器组包括分别与所述Zigbee射频芯片连接的温度和湿度传感器、光照检测电路、时钟模块和存储模块，且所述温度和湿度传感器、光照检测电路、时钟模块和存储模块还分别与所述第一供电电路连接。
本发明的具体控制方法如下：
(1)通过电压检测电路和电流检测电路实时地检测灯箱电源的输出电压和输出电流，通过温度和湿度传感器、光照传感器实时地检测灯箱环境信息；
(2微处理器根据灯箱电源的输出电压和输出电流分析判断灯箱电源是否故障，根据灯箱环境信息判断灯箱电源是否适合继续工作；
(3)转换电路将微处理器的串口信号转换为485通信信号，并将微处理器 的判断结果通过Zigbee无线通信节点传输至网关设备，由网关设备将判断结果上传至互联网；
(4)LED灯箱管理方登录互联网上的服务器，远程掌握灯箱电源的当前状态，并根据微处理器的判断结果决定是否关闭灯箱电源，若灯箱电源已经故障，则安排维护人员前往检修。
本发明原理简单，实现方便，能够非常准确、及时地发现LED灯箱可能存在的安全隐患，并让管理方实时地掌握LED灯箱周围的环境状况，为LED灯箱是否继续工作、是否需要检修提供及时可靠的依据，大大提高了LED灯箱的使用寿命，具有很高的实用价值。
上述实施例仅为本发明的优选实施例，并非对本发明保护范围的限制，但凡采用本发明的设计原理，以及在此基础上进行非创造性劳动而作出的变化，均应属于本发明的保护范围之内。

Claims (10)

  1. 一种LED灯箱电源控制***，包括设置在灯箱内部的多个与LED灯条一一对应连接的灯箱电源，其特征在于，所有灯箱电源通过485通信总线相互串联，同时在灯箱内部还安装有一个与所述灯条电源串联的无线通信设备，在所述灯箱外部还设置有用于与所述无线通信设备进行无线连接并将其获取的数据上传至云服务器的网关设备，在所述灯箱外壁上还设置有与所述无线通信设备有线连接的传感器组。
  2. 根据权利要求1所述的一种LED灯箱电源控制***，其特征在于，所述无线通信设备为Zigbee无线通信节点，包括Zigbee射频芯片，与该Zigbee射频芯片连接的四通道数字隔离器，与该四通道数字隔离器连接的交流输入参数检测电路，以及分别与所述Zigbee射频芯片和灯条电源连接的信号转换电路，和分别与Zigbee射频芯片、四通道数字隔离器、交流输入参数检测电路和信号转换电路连接的第一供电电路。
  3. 根据权利要求2所述的一种LED灯箱电源控制***，其特征在于，所述传感器组包括分别与所述Zigbee射频芯片连接的温度和湿度传感器、光照检测电路、时钟模块和存储模块，且所述温度和湿度传感器、光照检测电路、时钟模块和存储模块还分别与所述第一供电电路连接。
  4. 根据权利要求1或3所述的一种LED灯箱电源控制***，其特征在于，所述灯箱电源中还安装有将串口信号转换为485通信信号的转换电路，以及检测所述灯箱电源输出电压的电压检测电路、检测所述灯箱电源输出电流的电流检测电路，对所述电压检测电路、电流检测电路的检测结果进行处理的微处理器，和与该微处理器连接的第二供电电路。
  5. 根据权利要求4所述的一种LED灯箱电源控制***，其特征在于，所述电压检测电路中安装有调光MOS管，以及该调光MOS管的驱动电源电路。
  6. 根据权利要求5所述的一种LED灯箱电源控制***，其特征在于，所述微处理器上还连接有所述调光MOS管的驱动电路。
  7. 根据权利要求6所述的一种LED灯箱电源控制***，其特征在于，所述调光MOS管为PWM四通道调光MOS管。
  8. 一种LED灯箱电源控制***的远程控制方法，其特征在于，包括以下步骤：
    (1)通过电压检测电路和电流检测电路实时地检测灯箱电源的输出电压和输出电流，通过传感器组实时地检测灯箱环境信息；
    (2微处理器根据灯箱电源的输出电压和输出电流分析判断灯箱电源是否故障，根据灯箱环境信息判断灯箱电源是否适合继续工作；
    (3)转换电路将微处理器的串口信号转换为485通信信号，并将微处理器的判断结果通过无线通信设备传输至网关设备，由网关设备将判断结果上传至互联网；
    (4)LED灯箱管理方登录互联网上的服务器，远程掌握灯箱电源的当前状态，并根据微处理器的判断结果决定是否关闭灯箱电源，若灯箱电源已经故障，则安排维护人员前往检修。
  9. 根据权利要求8所述的一种LED灯箱电源控制***的远程控制方法，其特征在于，所述无线通信设备为Zigbee无线通信节点。
  10. 根据权利要求9所述的一种LED灯箱电源控制***的远程控制方法，其特征在于，所述传感器组至少包括温度和湿度传感器、光照传感器中的一种。
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EP3493651B1 (en) 2022-10-12
EP3493651A1 (en) 2019-06-05
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US20190098727A1 (en) 2019-03-28
CN106211450A (zh) 2016-12-07
EP3493651A4 (en) 2020-04-15

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